TRIGONOMETRIC FUNCTIONS Evaluating (Page 11 of 15)

Let's use the table to evaluate the function f(x) = sin(x) which we defined as Y1 for x = π/4 and x = -π/3. Set the independent variable to ASK, then access the table itself by pressing 2nd TABLE.

Down arrow key. Down arrow key. Right arrow key. ENTER key.

2nd TABLE key.

 Calculator screen image. Calculator screen image.

Notice the two columns; the second column is titled Y1 because that is the name we defined our function as in the function editor. Click here if your table is not blank.
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